Home / 7,991,982.51-11,021,576.34-5,237,666.47

Finding the Fourth Proportional to 7,991,982.51, 11,021,576.34 and 5,237,666.47

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Solution

The fourth proportional to 7,991,982.51, 11,021,576.34 and 5,237,666.47 is: 7,223,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,982.51 : 11,021,576.34 = 5,237,666.47 : x
  2. Step 2: Convert to fraction form
    7,991,982.51/11,021,576.34 = 5,237,666.47/x
  3. Step 3: Cross multiply
    7,991,982.51x = 11,021,576.34 × 5,237,666.47
  4. Step 4: Simplify right side
    7,991,982.51x = 57,727,340,842,563.31
  5. Step 5: Solve for x
    x = 57,727,340,842,563.31/7,991,982.51
  6. Step 6: Final answer
    x = 7,223,156.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.